Toyota RAV4 manuals

Toyota RAV4 Service Manual: Multiplex communication circuit

Toyota RAV4. Multiplex communication circuit


Description

The air conditioning amplifier communicates data with the ecm and combination meter through the can communication system.

Toyota RAV4. Multiplex communication circuit


Wiring diagram

Toyota RAV4. Multiplex communication circuit


Inspection procedure

  1. Check dtc

  1. Clear the dtc (see page ac-31).
  2. Read the dtc (see page ac-31).

Result




Go to can communication system

Bus ic communication malfunction
Description The air conditioning harness connects the air conditioning amplifier and the servos. The air conditioning amplifier supplies power and sends operation instructions to each servo th ...

Air conditioning control panel does not operate
Description This circuit consists of the air conditioning control and the air conditioning amplifier. When the air conditioning control is operated, signals are transmitted to the air conditioni ...

Other materials:

Terminals of ecu (2006/01- )
Check air conditioning amplifier Measure the voltage and resistance of the connectors. Hint: Check from the rear of the connector while it is connected to the air conditioning amplifier. Hint: *: For 2gr-fe Using an oscilloscope, check waveform 1. A/c compressor* ...

Steering angle sensor circuit malfunction
Description The steering sensor signal is sent to the skid control ecu via the can communication system. When there is a malfunction in the can communication system, it is detected by the steering sensor zero point malfunction diagnostic function. Wiring diagram Inspection proce ...

Adjusting the position of and opening and closing the air outlets
Front center outlets Direct air flow to the left or right, up or down. Turn the knobs to open or close the vents. Turn the knob to open or close the vent for rear seat occupants. М Direct air flow to the left or right, up or down. Open the vent. Close the vent. ...

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